CN1222418A - Making method and equipment of netted steel skeleton for composite plastic tube - Google Patents

Making method and equipment of netted steel skeleton for composite plastic tube Download PDF

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Publication number
CN1222418A
CN1222418A CN 98119383 CN98119383A CN1222418A CN 1222418 A CN1222418 A CN 1222418A CN 98119383 CN98119383 CN 98119383 CN 98119383 A CN98119383 A CN 98119383A CN 1222418 A CN1222418 A CN 1222418A
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parallel
welding
warp
welding roll
roll
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CN 98119383
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CN1067608C (en
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何轶良
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Harbin Sidawei Pipeline Technology Co Ltd
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Abstract

During the making, the welding roller does not contact with the welded points and the warps and the wefts are welded by means of the tension to the wefts to form pressure to the welded points. The making equipment includes welding mechanism, where the welding roller is made to maintain certain distance to welded points and has panel-type composite support electrode, and cooling mechanism, which is one inertial circular self-cooling or multi-point water-feeding rotary water valve mechanism.

Description

The manufacturing method and apparatus of the net-shaped steel skeleton of net-shaped steel skeleton-plastic composite pipe
The present invention relates to a kind of manufacturing method and apparatus of net-shaped steel skeleton, particularly the manufacturing method and apparatus of the shape steel skeleton of net-shaped steel skeleton-plastic composite pipe.
As everyone knows, the net-shaped steel skeleton is that warp and parallel twine braiding mutually and form, and a kind of form that connects between them is that the electric spot welding with warp and parallel is connected together.The method and apparatus of the net-shaped steel skeleton of existing manufacturing multiple tube, carrying out this when being welded to connect, mainly bear the effect of carrying welding current and butt welding point to apply welding pressure by welding roll, welding roll also plays a part the parallel spacing is carried out a certain amount of adjusting simultaneously.Therefore, welding roll is easily with the parallel starting the arc of net-shaped steel skeleton when welding, and scaling loss is held the metallic channel of parallel, thereby the life-span of welding roll is shorter; In addition, because welding roll needs butt welding point to exert pressure, also bring inconvenience to operating process; Simultaneously, welding roll is directly beaten arc and is damaged welding roll and electrode with supporting electrode when running into fracture of wire.On the other hand, the method and apparatus of the net-shaped steel skeleton of existing manufacturing multiple tube, the supporting electrode of employing are overall structure, need integral replacing after its wearing and tearing, and it is uneconomical that this has increased the difficulty and the integral replacing that more change jobs.Another aspect, because during welding, welding roll can constantly heat up, for to its cooling, the method and apparatus of the net-shaped steel skeleton of existing manufacturing multiple tube, the cooling body that the row cooling is rolled in its butt welding need be provided with the coolant recirculation pump that rotates synchronously with rotary body, but also exists the problem of used rotation water valve easy to leak, and this seepage is particularly outstanding for the big situation of rotating diameter.
The purpose of this invention is to provide a kind of new net-shaped steel skeleton manufacturing method and apparatus, this new method and apparatus has overcome above-mentioned defective, improved welding efficiency, prolonged the welding roll life-span significantly, made the replacing of supporting electrode become easy and economical and make cooling body designs simplification and reliable.
For achieving the above object, net-shaped steel skeleton manufacture method of the present invention is included in around the tubular of rotating shaft placement and welds the warp that even configuration is strained in the inserting of distributing on the supporting electrode circumference, to twine enough length from the parallel graticule guide wheel of wire leading wheel in the metallic channel of welding roll makes it contact with welding roll formation face, welding roll makes parallel produce tensile force to the active force of parallel during winding, this tensile force makes the contact point of parallel and warp produce pressure, contact point at parallel and warp is welded to connect warp and parallel when spiral is wound on the warp at a certain distance with parallel then, at this moment, welding roll leaves the solder joint certain distance of warp and parallel, electric current passes on the parallel through welding roll, make welding roll not contact the solder joint of warp and parallel and rely on its welding that makes tensile force that parallel produces provide welding pressure ground to realize warp and parallel, cooling body butt welding simultaneously to roll into that going circulates cools to the solder joint of warp and parallel.
For achieving the above object, a kind of manufacturing installation that uses in said method provided by the invention comprises welding mechanism and cooling body, described welding mechanism has the tubular welding supporting electrode around the warp that is used for evenly configuration tension of rotating shaft setting, a driven wheel, be connected with rotation conducting ring, parallel guide wheel, welding roll on it, welding roll links to each other with the rotation conducting ring, and the rotation conducting ring links to each other with power supply through coupled Conductive holding element, and driven wheel is around the rotating shaft rotation; Described cooling body has with the rotary body of rotating shaft rotation and is connected in cooling-part on the rotary body; It is characterized in that described welding roll leaves the solder joint certain distance of warp and parallel, the metallic channel on the welding roll can twine the parallel of sufficient length and realize that welding roll contacts with the face of parallel; Described welding supporting electrode is the formula combining structure of inserting, and the quantity of inserting equates with warp quantity; The cooling-part of described rotary body comprises the circulate radiator of self cooled loop configuration of the carried out inertia with the rotary body concentric shafts.
For achieving the above object, the manufacturing installation that another kind provided by the invention uses in said method comprises welding mechanism and cooling body, described welding mechanism has the tubular welding supporting electrode around the warp that is used for evenly configuration tension of rotating shaft setting, a driven wheel, be connected with rotation conducting ring, parallel guide wheel, welding roll on it, welding roll links to each other with the rotation conducting ring, and the rotation conducting ring links to each other with power supply through coupled Conductive holding element, and driven wheel is around the rotating shaft rotation; Described cooling body has the cooling-part with the rotating shaft rotation; It is characterized in that described welding roll leaves the solder joint certain distance of warp and parallel, the metallic channel on the welding roll can twine the parallel of sufficient length and realize that welding roll contacts with the face of parallel; Described welding supporting electrode is the formula combining structure of inserting, and the quantity of inserting equates with warp quantity; Described cooling body comprises not the water supply valve plate that rotates with axle, will from the rotation that rotates with the axis that the cooling fluid of feed water valve plate is supplied with welding roll supply water ring and reclaim the cooling welding roll after the labyrinth type swirling recirculation flow ring that rotates with axle of cooling fluid.
Describe the present invention below in conjunction with accompanying drawing, wherein
Fig. 1 is vertical view of welding mechanism of the present invention,
Fig. 2 be among Fig. 1 A to view,
Fig. 3 is vertical view of supporting electrode in the welding mechanism,
Fig. 4 is the A-A cutaway view among Fig. 3,
Fig. 5 is vertical view of cooling body in the first embodiment of the invention,
Fig. 6 be among Fig. 5 A to view,
Fig. 7 is vertical view of cooling body in the second embodiment of the invention,
Fig. 8 be among Fig. 7 A to view.
Comprise a driven wheel 2 referring to Fig. 1 to Fig. 4 welding mechanism of the present invention, rotation conducting ring 4, parallel guide wheel 5 and welding roll 6 are installed on it, they rotate around the rotating shaft 7 that forms the netted steel skeleton 1 of tubular with driven wheel 2, source of welding current lead 10 is connected in Conductive holding element 3, Conductive holding element 3 links to each other with rotation conducting ring 4, and rotation conducting ring 4 links to each other with welding roll 6.Supporting electrode 11 is settled around central shaft, and supporting electrode 11 makes up supporting electrode for the formula of inserting, and warp 13 is arranged in 14 the groove 15 inserted on supporting electrode 11 circumference, and its quantity of 14 of inserting is identical with the quantity of steel mesh warp 13.During welding, for parallel 8 and warp 13 are welded together to form the netted steel skeleton 1 of tubular, at first warp 8 is arranged in 14 the groove 15 inserted of supporting electrode 11, to on welding roll 6, twine enough length from the parallel 8 graticule guide wheels 5 of wire leading wheel 9 then, welding roll 6 is contacted with parallel 8 formation faces, to reduce contact resistance, 6 pairs of parallels 8 of welding roll apply active force and make parallel 8 generation tensile forces simultaneously, power supply is through power lead 10, Conductive holding element 3 and rotation conducting ring 4 are sent to electric current on the welding roll 6, welding roll 6 is given parallel 8 with current delivery, during welding, rely on the tensile force of parallel 8 to produce pressure at parallel 8 with the solder joint place that contacts of warp 13, like this need not welding roll 6 directly stress on the welding that the solder joint place can realize warp and parallel that contacts of parallel 8 and warp 13, welding roll leaves solder joint 20-60 millimeter at this moment.Therefore, in welding process, welding roll does not directly absorb sweating heat, and parallel has reduced contact resistance on welding roll, thereby has overcome the starting the arc phenomenon of welding roll and parallel, and welding roll is no longer by scaling loss.The loss of welding roll only is decided by that welding roll is with the rolling friction between parallel.The temperature rise of welding roll depends primarily on the frictional heat of the resistance heat and the friction conducting surface of welding roll self.Reduce the temperature rise of welding roll like this, prolonged the service life of welding roll very significantly.
The supporting electrode that uses in the welding is modified into the formula combination supporting electrode of inserting by overall structure, can change inserting of damage at any time, and need not integral replacing.Described inserting 14 also can be run through supporting electrode and settle.
The manufacturing installation of net-shaped steel skeleton of the present invention also provides and has been used for butt welding and rolls into the cooling body that cools of row, and described cooling structure comprises dual mode, a kind of for the inertia circulation from cooling off structure, another kind of is that multipoint water feeding rotates the water valve structure.
As illustrated in Figures 5 and 6, the inertia circulation comprises the rotary body 16 that rotates with welding mechanism around rotating shaft 7 from cooling off structure, double that make cistern and rotary body 16 one-tenth coaxial gardens annular and settle thereon annular radiator 17, water injection valve 18 are connected in rotary body 16 and provide cooling fluid by pipeline 19 to annular radiator 17 and the welding roll 6 that is cooled.During work, fill with cooling fluid by water injection valve 18 to circulation line, and pipeline is shut.When rotary body 16 rotations, annular radiator 17 with rotary body 16 rotation the cooling fluid in it does not rotate, this effect of inertia, cooling fluid is flowed for rotary body 16 round about, its flow velocity approaches rotary body 16 and the rotary speed V0 of position radiator 17 thereon with the radius corresponding position, can calculate the pressure P of cooling fluid thus in annular radiator 17 outlets, this pressure needs only the pipeline pressure greater than the welding roll that is cooled, cooling fluid just begins circulation, to be taken to annular radiator by the heat of the welding roll of its cooling and shed, thereby realize self-loopa cooling effect.This self-loopa cooling structure need be with the coolant recirculation pump of the synchronous rotation of rotary body.
Shown in Fig. 7 and 8, multipoint water feeding rotation water valve structure comprises the water supply valve plate 20 of the finite length that one or two relative rotation axi 7 is motionless, water supply valve plate 20 is provided with valve plate feed pipe 21, valve plate supply flume 22, valve plate leakage reversed flow pipe 23 and one or two valve plate leakage reversed flow groove 24, be fixed on the rotation water supply ring 25 that rotates with the axis on the rotating shaft 7, rotation supply water be equipped with on the ring 25 one group with valve plate supply flume 22 same circumference on check valve 26, the below that 27, one water receiving tanks of labyrinth type swirling recirculation flow ring are positioned at structure is equipped with in the outside of rotation feed water valve 25.During work, enter valve plate supply flume 22 from the cooling fluid of the water stop 29 valve plate feed pipe 21 by water supply valve plate 20, two check valves that remain in the one group of check valve 26 that rotates the ring 25 that supplies water are positioned at valve plate supply flume 22, thereby realize that water supply valve plate 20 injects cooling fluid by check valve 26 to rotation water supply ring 25, in the main axis rotation process, check valve 26 water filling in conversion all the time, close two kinds of working conditions, cooling fluids in the rotation water supply ring 25 are supplied with welding roll 6 by water inlet pipe 30, finish cooling work and rotate back to water ring 27 after return pipe 31 is got back to labyrinth type, flow to water receiving tank 28 by under the gravity then, flow back into water stop 29 again.Water supply valve plate 20 is sealed and matched with rotation water supply ring 25 by the pressuring action of water supply valve plate stage clip 32 in the work, when pressure of supply water is big as ground floor be sealed and matched that face 33 produces leakage will flow into valve plate leakage reversed flow groove 24, flow back to water receiving tank 28 through valve plate leakage reversed flow pipe 23 then.When the cooling fluid of leaking flows into valve plate leakage reversed flow groove 24, will produce depressurization and make cooling fluid can not be sealed and matched face 34 to external leakage from the second layer.
Flox condition in the course of work is F 1>F 2+ F 3, wherein
F 1=P 1* S 1(P 1-valve plate feed pipe outlet pressure, S 1-one-way valve water inlet sectional area),
F 2=one-way valve spring compression stress,
F 3=rotation is supplied water and is encircled the total flow resistance of labyrinth type swirling recirculation flow ring.

Claims (10)

1. the manufacture method of the net-shaped steel skeleton of net-shaped steel skeleton-plastic composite pipe, be included in around the tubular of rotating shaft placement and weld the warp that even configuration is strained in the inserting of distributing on the supporting electrode circumference, to twine enough length from the parallel graticule guide wheel of wire leading wheel in the metallic channel of welding roll makes it contact with welding roll formation face, welding roll makes parallel produce tensile force to the active force of parallel during winding, this tensile force makes the contact point of parallel and warp produce pressure, contact point at parallel and warp is welded to connect warp and parallel when spiral is wound on the warp at a certain distance with parallel then, at this moment, welding roll leaves the solder joint certain distance of warp and parallel, electric current passes on the parallel through welding roll, make welding roll not contact the solder joint of warp and parallel and rely on its welding that makes tensile force that parallel produces provide welding pressure ground to realize warp and parallel, cooling body butt welding simultaneously to roll into that going circulates cools to the solder joint of warp and parallel.
2. method according to claim 1, wherein to leave the distance of the solder joint of warp and parallel be 20 to 60 millimeters to welding roll.
3. realize the manufacturing installation of the net-shaped steel skeleton of the described method of claim 1, comprise welding mechanism and cooling body, described welding mechanism has the tubular welding supporting electrode around the warp that is used for evenly configuration tension of rotating shaft setting, a driven wheel, be connected with rotation conducting ring, parallel guide wheel, welding roll on it, welding roll links to each other with the rotation conducting ring, and the rotation conducting ring links to each other with power supply through coupled Conductive holding element, and driven wheel is around the rotating shaft rotation; Described cooling body has with the rotary body of rotating shaft rotation and is connected in cooling-part on the rotary body; It is characterized in that described welding roll leaves the solder joint certain distance of warp and parallel, the metallic channel on the welding roll can twine the parallel of sufficient length and realize that welding roll contacts with the face of parallel; Described welding supporting electrode is the formula combining structure of inserting, and the quantity of inserting equates with warp quantity; Cooling-part on the described rotary body comprises the circulate heat spreader structures of self cooled annular of the carried out inertia with the rotary body concentric shafts.
4. the distance that device according to claim 3, wherein said welding roll leave the solder joint of warp and parallel is 20 to 60 millimeters.
5. device according to claim 3, the quantity of inserting of wherein said supporting electrode equates with warp quantity, inserts and can run through or not run through supporting electrode.
6. realize the manufacturing installation of the net-shaped steel skeleton of the described method of claim 1, comprise welding mechanism and cooling body, described welding mechanism has the tubular welding supporting electrode around the warp that is used for evenly configuration tension of rotating shaft setting, a driven wheel, be connected with rotation conducting ring, parallel guide wheel, welding roll on it, welding roll links to each other with the rotation conducting ring, and the rotation conducting ring links to each other with power supply through coupled Conductive holding element, and driven wheel is around the rotating shaft rotation; Described cooling body has the cooling-part with the rotating shaft rotation; It is characterized in that described welding roll leaves the solder joint certain distance of warp and parallel, the metallic channel on the welding roll can twine the parallel of sufficient length and realize that welding roll contacts with the face of parallel; Described welding supporting electrode is the formula combining structure of inserting, and the quantity of inserting equates with warp quantity; Described cooling body comprises not the water supply valve plate of the finite length of rotating with axle, will from the rotation that rotates with the axis that the cooling fluid of feed water valve plate is supplied with welding roll supply water ring and reclaim the cooling welding roll after the labyrinth type swirling recirculation flow ring that rotates with axle of cooling fluid.
7. the distance that device according to claim 6, wherein said welding roll leave the solder joint of warp and parallel is 20 to 60 millimeters.
8. device according to claim 6, the quantity of inserting of wherein said supporting electrode equates with warp quantity, inserts and can run through or not run through supporting electrode.
9. device according to claim 6, the oriented rotation of wherein said water supply valve plate supply water and encircle the valve plate supply flume that supplies water and absorb the valve plate leakage reversed flow groove that leaks.
10. according to claim 6 or 9 described devices, wherein said rotation is supplied water and is encircled the one group of check valve that has on same circumference.
CN98119383A 1998-09-25 1998-09-25 Making method and equipment of netted steel skeleton for composite plastic tube Expired - Lifetime CN1067608C (en)

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Application Number Priority Date Filing Date Title
CN98119383A CN1067608C (en) 1998-09-25 1998-09-25 Making method and equipment of netted steel skeleton for composite plastic tube

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Application Number Priority Date Filing Date Title
CN98119383A CN1067608C (en) 1998-09-25 1998-09-25 Making method and equipment of netted steel skeleton for composite plastic tube

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CN1222418A true CN1222418A (en) 1999-07-14
CN1067608C CN1067608C (en) 2001-06-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100578063C (en) * 2005-04-11 2010-01-06 南塑建材塑胶制品(深圳)有限公司 Electrocast saddle shaped plastic pipe fitting with wires laid at double-face and manufacture method thereof
CN107252863A (en) * 2017-08-07 2017-10-17 苏州星倍德管道设备有限公司 A kind of shaped device and its forming method of netted steel skeleton
CN113154142A (en) * 2021-03-18 2021-07-23 江苏冠之星管道系统有限公司 Steel skeleton plastic pipe composite pipe and production process thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009124455A1 (en) * 2008-04-10 2009-10-15 Deng Yadong A high-precision grizzly manufacturing process and the press welder thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0566011B1 (en) * 1992-04-17 1997-07-16 Angelo Candiracci Feeder device for machines for manufacturing electrically welded metallic nets
IL105667A0 (en) * 1993-05-11 1993-09-22 Dorston Incorporation Limited Thermoplastic pipe
CN1032717C (en) * 1994-04-26 1996-09-04 何轶良 Method and device for making composite plastic pipeline with metallic frame

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100578063C (en) * 2005-04-11 2010-01-06 南塑建材塑胶制品(深圳)有限公司 Electrocast saddle shaped plastic pipe fitting with wires laid at double-face and manufacture method thereof
CN107252863A (en) * 2017-08-07 2017-10-17 苏州星倍德管道设备有限公司 A kind of shaped device and its forming method of netted steel skeleton
CN107252863B (en) * 2017-08-07 2023-12-01 苏州星倍德管道设备有限公司 Forming device and forming method of net-shaped steel skeleton
CN113154142A (en) * 2021-03-18 2021-07-23 江苏冠之星管道系统有限公司 Steel skeleton plastic pipe composite pipe and production process thereof

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Denomination of invention: Method and device for producing mesh steel skeleton of netted steel skeleton plastic composite pipe

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